graphene icon in 6 different modern styles. black, two colored graphene icons ed in filled, outline, line and stroke

icon graphene vector technology material sign outline nano line research model molecular chemistry set structure chemical science molecule filled dimensional hexagon graphite interplanar symbol polyconjugated conductivity generated carbon linear symmetrical design glyph two colored stroke thin nanotechnology net valence honeycomb laboratory unique hexagonal crystal plane atom artificial intellegence and future illustration style concept